* Implemented reverse engineering of the company's SMPP-Transport, MNP, billing and payment gateway systems * Packed each system in a docker container * Moved the systems from Amazon to Kubernetes * Developed the CI and CD processes * Performed 24-hour monitoring of the system stability

* created the development department of the company, searched, interviewed and hired programmers in order to build an effective team * planned and supervised work of a small team (up to 10 developers) at all levels from backend to frontend * successfully implemented the transition from a monolithic to a microservice architecture model using Apache Kafka * improved the analytic reports system using Pentaho BI * was responsible for the system stability and 24-hour alarm monitoring

* Participated in the development of the banks's billing system (PYTHON) * Successfully integrated the billing system with the bank's accounting system * Created Unit-tests * Added QR code payments to the payment system * Developed integration with Mobile and eCommerce gateways * Developed and applied metrics for the monitoring system (ZABBIX) * created CI and CD processes with help of Gerrit